A substance, B, has a normal boiling point of +89.3 C, and its enthalpy of vaporization of 260 J g-1. To change 150 grams of B from a liquid at 89.3…

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 A substance, B, has a normal boiling point of +89.3 °C, and its enthalpy of vaporization of 260 J g-1. To change 150 grams of B from a liquid at 89.3 °C to a gas at 89.3 °C will require how many joules?